Cross-linking of cellulose and poly(ethylene glycol) with citric acid

被引：85

作者：

de Cuadro, Pamela ^{[1
,2
]}

Belt, Tiina ^{[1
]}

Kontturi, Katri S. ^{[3
]}

Reza, Mehedi ^{[4
]}

Kontturi, Eero ^{[1
,3
]}

Vuorinen, Tapani ^{[1
]}

Hughes, Mark ^{[1
]}

机构：

[1] Aalto Univ, Sch Chem Technol, Dept Forest Prod Technol, Aalto 00076, Finland

[2] Univ Republica, Fac Ingn, Montevideo, Uruguay

[3] Univ London Imperial Coll Sci Technol & Med, Dept Chem Engn, Polymer & Composites Engn PaCE Grp, London SW7 2AZ, England

[4] Aalto Univ, Sch Sci, Dept Appl Phys, Aalto 00076, Finland

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2015年 / 90卷

基金：

芬兰科学院;

关键词：

Cellulose esterification; Cellulosic fibres; FTIR; Hypophosphite catalyst; PEG impregnation; PHOTOACOUSTIC-SPECTROSCOPY; POLYCARBOXYLIC ACIDS; COTTON CELLULOSE; NANOPAPER; SYSTEM;

D O I：

10.1016/j.reactfunctpolym.2015.03.007

中图分类号：

O69 [应用化学];

学科分类号：

070301 [无机化学];

摘要：

A novel approach to modifying native cellulosic fibres with poly(ethylene glycol) (PEG) impregnation and simultaneous cross-linking by citric acid (CA) was investigated. To understand the contributions of different components in the system, control references with just CA and cellulosic fibres (filter paper) were studied. The effect of sodium hypophosphite as a catalyst was also assessed. The results revealed that ester bonds are indeed formed in the cellulose-PEG-CA reaction system, as indicated by weight percentage gain (WPG) and FTIR analysis. The best results were achieved by using 5% CA and 10% PEG (calculated as weight-% from cellulose). In the reaction, the environmentally friendly CA prevents PEG from being leached out of cellulose during washing, resulting in promising future applications in dimensionally stabilized products based on cellulosic fibres. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：21 / 24

页数：4

共 22 条

[1]

Detection of DNA using bioactive paper strips [J].